Solve the equation for ? if 
. Give your answer in degrees.
?
What will be an ideal response?
90°, 210°, 330°
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Find the domain of the radical function. Write it in interval notation.g(x) = 
+ 4
A. [4, ?) B. (-?, ?) C. [0, 4] D. [0, ?)
Provide an appropriate response.Determine the x- and y-intercepts of the graph of y = x2 + x - 12.
What will be an ideal response?
Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 0.1 g B. 3.9 g C. 1.9 g D. 5.8 g
Solve by elimination.-6x + 4y = -2-30x + 20y = -10
A. (-8, 12) B. No solution C. Infinite number of solutions D. (12, -8)